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04 C5 & 04 Gto

This is a discussion on 04 C5 & 04 Gto within the General Help forums, part of the LSx Technical Help Section category; Does anybody know if the C5 and 04 GTO LS1's are the same configuration? To help clarify the question - ...

  1. #1
    Member The Silver Goat's Avatar
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    Qucik Silver Metalic
    2004 GTO - M6

    04 C5 & 04 Gto

    Does anybody know if the C5 and 04 GTO LS1's are the same configuration?
    To help clarify the question - if I find find parts on a corvette web site, is it safe to assume they'll fit my motor, 04 gto? For instance, does the 170 thermostat for C5 LS1 fit the 04 gto or is the housing configured a touch differently to prevent you from interchanging parts.

    If I go FAST LSX Polymer LS1-LS6 Intake Manifold will all my pieces and parts match up do to thread diameters and counts when going to the new?

    I'm more about plug and play - no patience for having to tweak sorry to say.

    Any input would be appreciated, I'm new at this and don't want to break it or have to a new black box...

  2. #2
    Firebird Encyclopedia 9T8W66's Avatar
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    Navy Blue Metallic
    `98 Formula M6 HdTp

    The engines are identical. The only differences are intake and exhaust plumbing due to the packaging constraints for different chassis.
    Craig
    Semi Retired Street Racer
    2012 Lava Red Mustang GT Coupe Brembo/3.73's
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    Gone but not forgoten
    NBM `98 Formula M6 HdTp
    1 of 1 Build Date 3/12/98

  3. #3
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    The TB's are probably different also. I've never seen an 04 c-5 TB but I know the 98's had no cable and the gto's do.

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